Menominee County's SSURGO septic rating
Very limited
Menominee County, WI: USDA's soil survey calls 88% of the county "Very limited" for a septic leach field. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 88% of the county. For scale: 357.615 square miles and 4,286 people call Menominee County home.
Before you rely on this for one lot
USDA's survey covers the whole of Menominee County, WI at once, not any single address. The real answer for one lot is still a site-specific perc test, running about $750-$1,850 (typically near $1,300).
Budgeting for a system in Menominee County, WI
Menominee County's soil reading pushes the likely outcome toward an engineered system rather than a conventional one. Conventional systems run $3,000-$8,000 where they pass; where they don't, engineered alternatives (mound or aerobic treatment, whichever the health department requires) run $10,000-$40,000 - budget toward the higher figure until a perc test says otherwise.
Menominee County's rank among Wisconsin counties
Among the 3,058 rated counties on this site, Menominee County, WI ranks 1,469 most-constrained nationally, and 49 of 72 within Wisconsin.
Further reading
How this rating is built, and its real limits · Conventional vs. engineered septic systems